See Also M7i Chassis Description on page 11•
• M7i Midplane Description on page 12
• Maintaining the M7i Routing Engine on page 192
• Inserting an SDRAM Module on page 154
Inserting an SDRAM Module
To insert a SDRAM module onto the Routing Engine (see Figure 53 on page 155):
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to one of the ESD points on the chassis. Verify that the router is attached to
a proper earth ground.
2. Remove the SDRAM module from its electrostatic bag.
3. To open the empty SDRAM slot, press the plastic ejectors on both sides.
4. Grasp the SDRAM module by the edges, being careful not to touch any electrical
components.
5. Pressing firmly on both ends, push the module into the slot until the ejectors return
completely to the closed position.
6. Install the Routing Engine as described in “Installing the Routing Engine in a M7i Router”
on page 142.
You can view the SDRAM configuration and verify it was installed correctly by issuing
the show chassis routing-engine command, described in “Maintaining the M7i Routing
Engine” on page 192.
Copyright © 2019, Juniper Networks, Inc.154
M7i Multiservice Edge Router Hardware Guide
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